Steeven Daniel Olaya Merino

Fernando Martínez Ayala

Arnau Busqué Nadal

• It is a small mountain range

• Located in the north of Ibeas in Juarros about 500 meters far from Atapuerca, in Burgos.

•It is a karstic complex of caves.

• Discovered 4 different species of hominids.

Homo sp. (Sima del Elefante), Homo antecessor, Homo heidelbergensis & Homo sapiens.

•A fragment of jaw, and a fragment of skull•Both of the Homo heidelbergensis•There are many remains of animals, including a lion, as well as plants and tools.

•Portalón (1910-)• Recovered ceramic remains from the late Neolithic, Age of Bronze and Lower Roman Empire.•Sima de los Huesos (1983-)This site is located at the bottom of a 13-metre (43-foot) deep chimney reached by scrambling through the cave system of the Cueva Mayor.

•Sima del Elefante (1996-)•First they discovered a tooth in June 2007 and then, in 2008, a fragment of jawbone, and a proximal phalanx.

•Cueva del Mirador (1999-)This site provides information on farmers and ranchers from the Neolithic and Age of Bronze.•Orchids Valley (2000-2001) and Hundidero (2004–2005)Stone tools from the Upper Paleolithic have been obtained from these areas.